EP0755133A3 - Method and apparatus for RSSI measurement in a digital radio system - Google Patents

Method and apparatus for RSSI measurement in a digital radio system Download PDF

Info

Publication number
EP0755133A3
EP0755133A3 EP96111643A EP96111643A EP0755133A3 EP 0755133 A3 EP0755133 A3 EP 0755133A3 EP 96111643 A EP96111643 A EP 96111643A EP 96111643 A EP96111643 A EP 96111643A EP 0755133 A3 EP0755133 A3 EP 0755133A3
Authority
EP
European Patent Office
Prior art keywords
rssi information
radio system
digital radio
rssi measurement
radio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96111643A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0755133A2 (en
Inventor
Yuji c/o K.K. Toshiba Umemoto
Naoyuki c/o K.K. Toshiba Wakabayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of EP0755133A2 publication Critical patent/EP0755133A2/en
Publication of EP0755133A3 publication Critical patent/EP0755133A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
EP96111643A 1995-07-21 1996-07-18 Method and apparatus for RSSI measurement in a digital radio system Withdrawn EP0755133A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7185496A JPH0936799A (ja) 1995-07-21 1995-07-21 無線通信装置
JP185496/95 1995-07-21
JP18549695 1995-07-21

Publications (2)

Publication Number Publication Date
EP0755133A2 EP0755133A2 (en) 1997-01-22
EP0755133A3 true EP0755133A3 (en) 2000-05-03

Family

ID=16171793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111643A Withdrawn EP0755133A3 (en) 1995-07-21 1996-07-18 Method and apparatus for RSSI measurement in a digital radio system

Country Status (4)

Country Link
US (1) US5960335A (zh)
EP (1) EP0755133A3 (zh)
JP (1) JPH0936799A (zh)
CN (1) CN1071080C (zh)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6580700B1 (en) * 1995-10-27 2003-06-17 Symbol Technologies, Inc. Data rate algorithms for use in wireless local area networks
FI106680B (fi) * 1996-06-17 2001-03-15 Nokia Mobile Phones Ltd Menetelmä vastaanoton laadun parantamiseksi radiovastaanottimessa ja radiovastaanotin
JP3255054B2 (ja) * 1996-12-10 2002-02-12 富士通株式会社 デジタル携帯電話機
US5802114A (en) * 1997-06-04 1998-09-01 Ericsson Inc. Method and apparatus for modulation differentiation
US6215827B1 (en) * 1997-08-25 2001-04-10 Lucent Technologies, Inc. System and method for measuring channel quality information in a communication system
US6006077A (en) * 1997-10-02 1999-12-21 Ericsson Inc. Received signal strength determination methods and systems
US6185418B1 (en) * 1997-11-07 2001-02-06 Lucent Technologies Inc. Adaptive digital radio communication system
JPH11154882A (ja) * 1997-11-21 1999-06-08 Hitachi Denshi Ltd 無線機
JP3323809B2 (ja) * 1998-06-19 2002-09-09 松下電器産業株式会社 時分割多重無線通信方式の受信電界強度測定装置
JP3634641B2 (ja) 1998-10-20 2005-03-30 富士通株式会社 Ｃｄｍａ方式移動通信システム
JP2000151318A (ja) * 1998-11-10 2000-05-30 Fujitsu Ltd 無線携帯端末の周辺レベル検出装置
US6127936A (en) * 1998-11-20 2000-10-03 Texas Instruments Isreal Ltd. Apparatus for and method of providing an indication of the magnitude of a quantity
GB2345612B (en) * 1998-12-31 2003-09-03 Nokia Mobile Phones Ltd Measurement report transmission in a telecommunications system
EP1069713B1 (en) 1999-06-23 2011-08-10 Texas Instruments Inc. Signal quality determination in a radio communications apparatus
JP3383618B2 (ja) * 1999-08-18 2003-03-04 松下電器産業株式会社 移動体通信端末装置及び受信強度検出方法
DE69921374T2 (de) 1999-08-23 2006-03-09 Fujitsu Ltd., Kawasaki Kommunikationssystem, verfahren zur feldstärkenkompensation in einem kommunikationssystem und basisstation und endgerät für ein funkkommunikationssystem
US6728228B1 (en) * 1999-09-20 2004-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for measuring and reporting received signal strength
JP2001127660A (ja) * 1999-10-28 2001-05-11 Fujitsu Ltd 無線通信機及び受信系統の利得制御方法
JP3381786B2 (ja) * 1999-11-10 2003-03-04 日本電気株式会社 干渉検出機能付き携帯電話無線機
WO2001037447A1 (en) * 1999-11-19 2001-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Method for selecting timeslot power control mode based on mobile station characteristics
CN1175695C (zh) * 2000-01-12 2004-11-10 三菱电机株式会社 移动通信终端
US6834192B1 (en) * 2000-07-03 2004-12-21 Nokia Corporation Method, and associated apparatus, for effectuating handover of communications in a bluetooth, or other, radio communication system
SG134173A1 (en) * 2001-05-14 2007-08-29 Interdigital Tech Corp Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
US6810236B2 (en) * 2001-05-14 2004-10-26 Interdigital Technology Corporation Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
DK2938009T3 (da) 2001-05-14 2019-07-22 Interdigital Tech Corp Kanalkvalitetsmålinger for tildeling af downlinkressourcer
JP3662527B2 (ja) * 2001-07-27 2005-06-22 松下電器産業株式会社 自動利得制御装置及び方法、無線通信装置
KR100416751B1 (ko) * 2001-12-20 2004-01-31 엘지전자 주식회사 이동통신 단말기에서의 수신감도 표시방법
KR100547848B1 (ko) * 2002-01-16 2006-02-01 삼성전자주식회사 다중 반송파 이동통신시스템에서 순방향 채널 상태 정보송수신 방법 및 장치
US7058018B1 (en) * 2002-03-06 2006-06-06 Meshnetworks, Inc. System and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer II routing in a wireless communication network
US7039379B2 (en) * 2002-03-27 2006-05-02 Motorola, Inc. Method for maintaining automatic gain control settings for a multi-frequency communication device
KR100625654B1 (ko) * 2002-08-29 2006-09-20 에스케이 텔레콤주식회사 무선 근거리통신망/이동전화 연동시스템에서 ｗｌａｎ 신호세기에 기반한 접속 시스템 결정 방법 및 이를 위한 이동 단말기
US7463674B2 (en) * 2003-04-09 2008-12-09 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Tables for determining the signal strength of a received signal in a fibre optics transceiver
US6958982B2 (en) * 2003-07-16 2005-10-25 Interdigital Technology Corporation Method and apparatus for storing mobile station physical measurements and MAC performance statistics in a management information base of an access point
US20050059405A1 (en) * 2003-09-17 2005-03-17 Trapeze Networks, Inc. Simulation driven wireless LAN planning
US20050059406A1 (en) * 2003-09-17 2005-03-17 Trapeze Networks, Inc. Wireless LAN measurement feedback
US7221927B2 (en) * 2004-02-13 2007-05-22 Trapeze Networks, Inc. Station mobility between access points
US7596355B2 (en) * 2004-11-29 2009-09-29 Intel Corporation System and method capable of closed loop MIMO calibration
US7529925B2 (en) 2005-03-15 2009-05-05 Trapeze Networks, Inc. System and method for distributing keys in a wireless network
US20060258295A1 (en) * 2005-05-16 2006-11-16 Texas Instruments Incorporated Automatic network performance data collection and optimization
US20070010278A1 (en) * 2005-06-21 2007-01-11 D Agostino Anthony System and method for controlling power consumption in a wireless device
WO2007044986A2 (en) 2005-10-13 2007-04-19 Trapeze Networks, Inc. System and method for remote monitoring in a wireless network
US7551619B2 (en) 2005-10-13 2009-06-23 Trapeze Networks, Inc. Identity-based networking
US7573859B2 (en) 2005-10-13 2009-08-11 Trapeze Networks, Inc. System and method for remote monitoring in a wireless network
US8638762B2 (en) 2005-10-13 2014-01-28 Trapeze Networks, Inc. System and method for network integrity
US7724703B2 (en) 2005-10-13 2010-05-25 Belden, Inc. System and method for wireless network monitoring
US8250587B2 (en) 2005-10-27 2012-08-21 Trapeze Networks, Inc. Non-persistent and persistent information setting method and system for inter-process communication
US7558266B2 (en) 2006-05-03 2009-07-07 Trapeze Networks, Inc. System and method for restricting network access using forwarding databases
US8966018B2 (en) 2006-05-19 2015-02-24 Trapeze Networks, Inc. Automated network device configuration and network deployment
US7577453B2 (en) 2006-06-01 2009-08-18 Trapeze Networks, Inc. Wireless load balancing across bands
US9191799B2 (en) 2006-06-09 2015-11-17 Juniper Networks, Inc. Sharing data between wireless switches system and method
US8818322B2 (en) 2006-06-09 2014-08-26 Trapeze Networks, Inc. Untethered access point mesh system and method
US9258702B2 (en) 2006-06-09 2016-02-09 Trapeze Networks, Inc. AP-local dynamic switching
US7912982B2 (en) 2006-06-09 2011-03-22 Trapeze Networks, Inc. Wireless routing selection system and method
US7844298B2 (en) 2006-06-12 2010-11-30 Belden Inc. Tuned directional antennas
US7724704B2 (en) 2006-07-17 2010-05-25 Beiden Inc. Wireless VLAN system and method
US8340110B2 (en) 2006-09-15 2012-12-25 Trapeze Networks, Inc. Quality of service provisioning for wireless networks
US8072952B2 (en) 2006-10-16 2011-12-06 Juniper Networks, Inc. Load balancing
US7873061B2 (en) 2006-12-28 2011-01-18 Trapeze Networks, Inc. System and method for aggregation and queuing in a wireless network
WO2008083339A2 (en) 2006-12-28 2008-07-10 Trapeze Networks, Inc. Application-aware wireless network system and method
US8902904B2 (en) 2007-09-07 2014-12-02 Trapeze Networks, Inc. Network assignment based on priority
US8509128B2 (en) 2007-09-18 2013-08-13 Trapeze Networks, Inc. High level instruction convergence function
US8238942B2 (en) 2007-11-21 2012-08-07 Trapeze Networks, Inc. Wireless station location detection
KR20090055786A (ko) * 2007-11-29 2009-06-03 삼성전자주식회사 채널 특성을 적용하여 핸드오버를 수행하는 단말기 및 그제어방법
US8295827B2 (en) * 2007-12-20 2012-10-23 Centurylink Intellectual Property Llc System and method for establishing optimal parameters for performing seamless call transfer between cordless and wireless modes
JP4911088B2 (ja) * 2008-03-21 2012-04-04 富士通株式会社 無線通信装置および無線通信方法
US8150357B2 (en) 2008-03-28 2012-04-03 Trapeze Networks, Inc. Smoothing filter for irregular update intervals
US8474023B2 (en) 2008-05-30 2013-06-25 Juniper Networks, Inc. Proactive credential caching
US8978105B2 (en) 2008-07-25 2015-03-10 Trapeze Networks, Inc. Affirming network relationships and resource access via related networks
US8238298B2 (en) 2008-08-29 2012-08-07 Trapeze Networks, Inc. Picking an optimal channel for an access point in a wireless network
JP2011109539A (ja) * 2009-11-19 2011-06-02 Sony Corp 無線通信端末、通信方法および無線通信システム
US8542836B2 (en) 2010-12-01 2013-09-24 Juniper Networks, Inc. System, apparatus and methods for highly scalable continuous roaming within a wireless network

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0412235A2 (en) * 1989-08-08 1991-02-13 Mitsubishi Denki Kabushiki Kaisha Diversity reception control circuit
US5142695A (en) * 1991-03-21 1992-08-25 Novatel Communications, Ltd. Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength
EP0601987A2 (en) * 1992-12-11 1994-06-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for correcting a received signal strength indication in a radio receiver
US5390365A (en) * 1991-05-20 1995-02-14 Kabushiki Kaisha Toshiba Radio communication apparatus having a received signal strength measuring function
JPH0766744A (ja) * 1993-08-30 1995-03-10 Nec Corp 電界検出回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493563A (en) * 1993-07-26 1996-02-20 Motorola, Inc. Method and apparatus for mobile assisted handoff in a communication system
JPH07221688A (ja) * 1994-01-28 1995-08-18 Nec Corp 受信電界検出回路
US5729539A (en) * 1996-05-03 1998-03-17 Motorola, Inc. Method of scheduling signal quality measurements in a TDMA communication system
US5802114A (en) * 1997-06-04 1998-09-01 Ericsson Inc. Method and apparatus for modulation differentiation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0412235A2 (en) * 1989-08-08 1991-02-13 Mitsubishi Denki Kabushiki Kaisha Diversity reception control circuit
US5142695A (en) * 1991-03-21 1992-08-25 Novatel Communications, Ltd. Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength
US5390365A (en) * 1991-05-20 1995-02-14 Kabushiki Kaisha Toshiba Radio communication apparatus having a received signal strength measuring function
EP0601987A2 (en) * 1992-12-11 1994-06-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for correcting a received signal strength indication in a radio receiver
JPH0766744A (ja) * 1993-08-30 1995-03-10 Nec Corp 電界検出回路
US5507022A (en) * 1993-08-30 1996-04-09 Nec Corporation Electric field level detecting apparatus

Also Published As

Publication number Publication date
CN1071080C (zh) 2001-09-12
EP0755133A2 (en) 1997-01-22
US5960335A (en) 1999-09-28
JPH0936799A (ja) 1997-02-07
CN1147188A (zh) 1997-04-09

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